Meta Shack-Hartmann wavefront sensor with large sampling density and large angular field of view: phase imaging of complex objects. [PDF]
Light Sci ApplShack–Hartmann wavefront sensors measure the local slopes of an incoming wavefront based on the displacement of focal spots created by a lenslet array, serving as key components for adaptive optics for astronomical and biomedical imaging.
Go GH +5 more
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Advancing wavefront sensing: meta Shack-Hartmann sensor enhances phase imaging. [PDF]
Light Sci ApplA meta-lens array-based Shack-Hartmann wavefront sensor has been developed to break the limits imposed by the size and curvature of traditional micro-lenses, which significantly improves both sampling density and angular resolution of phase measurement ...
Liu X, Geng Z, Chen MK.
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A Shack-Hartmann Sensor for Single-Shot Multi-Contrast Imaging with Hard X-rays [PDF]
Applied Sciences, 2018 An array of compound refractive X-ray lenses (CRL) with 20 × 20 lenslets, a focal distance of 20cm and a visibility of 0.93 is presented. It can be used as a Shack-Hartmann sensor for hard X-rays (SHARX) for wavefront sensing and permits for true ...
Tomy dos Santos Rolo +7 more
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Large-Dynamic-Range Ocular Aberration Measurement Based on Deep Learning with a Shack-Hartmann Wavefront Sensor. [PDF]
Sensors (Basel)The Shack–Hartmann wavefront sensor (SHWFS) is widely utilized for ocular aberration measurement. However, large ocular aberrations caused by individual differences can easily make the spot move out of the range of the corresponding sub-aperture in SHWFS,
Zhang H +5 more
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Highly Sensitive Shack-Hartmann Wavefront Sensor: Application to Non-Transparent Tissue Mimic Imaging with Adaptive Light-Sheet Fluorescence Microscopy. [PDF]
Methods Protoc, 2019 High-quality in-depth imaging of three-dimensional samples remains a major challenge in modern microscopy. Selective plane illumination microscopy (SPIM) is a widely used technique that enables imaging of living tissues with subcellular resolution ...
Morgado Brajones J +4 more
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Real-Time Wavefront Sensing at High Resolution with an Electrically Tunable Lens. [PDF]
Sensors (Basel), 2023 We have designed, assembled, and evaluated a compact instrument capable of capturing the wavefront phase in real time, across various scenarios. Our approach simplifies the optical setup and configuration, which reduces the conventional capture and ...
Oliva-García R +4 more
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Wavefront Characteristics of a Digital Holographic Optical Element. [PDF]
Micromachines (Basel), 2023 In this study, a 50 × 50 mm holographic optical element (HOE) with the property of a spherical mirror was recorded digitally on a silver halide photoplate using a wavefront printing method.
Lee BR +5 more
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Largedynamic-range Shack-Hartmann wavefront sensor for highly aberrated eyes [PDF]
, 2006 . A conventional Shack-Hartmann wavefront sensor has a limitation that increasing the dynamic range usually requires sacrificing measurement sensitivity. The prototype large-dynamic-range Shack-Hartmann wavefront sensor presented resolves this problem by
Geunyoung Yoon +2 more
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Measurement of ocular aberration in noise based on deep learning with a Shack-Hartmann wavefront sensor. [PDF]
Biomed Opt ExpressZhang H +7 more
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PhotonicsFree Space Optical Communication (FSOC) is a wireless communication method that utilizes laser beams for high speed and secure data transmission.
Junrui Zhang +7 more
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